Concave capsule



FIG. 1 is a perspective view of the concave capsule showing its newdesign;

FIG. 2 is a top view of the concave capsule shown in FIG. 1;

FIG. 3 is a side view of the concave capsule shown in FIG. 1; and,

FIG. 4 is a bottom view of the concave capsule shown in FIG. 1.

The ornamental design for a concave capsule, as shown and described.